Calendar is the correct spelling for a system of recording time.
- There was a calendar on the wall above, with large squares around the dates.
Calender is an old word that refers to a machine used in finishing paper and cloth.
A colander is a perforated, bowl-shaped kitchen utensil for draining liquids and rinsing food.
- Allow vegetables to air-dry in a colander for several hours, or use a salad spinner to remove excess water.